Exposure
ID
MATIS.2025-08-14T03:41:48.805_1
Header ID
MATIS.2025-08-14T03:41:48.805
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:41:48 UTC+0000
UTC Start
2025-08-14 03:41:48.805
UTC End
2025-08-14 03:42:48.813
MJD Start
60901.15403709
MJD End
60901.15473162704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0077705
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.98
Observation
ID
69988
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51927
Name
del Sgr
RA
275.248086
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 107.8040 107.5900 253.0000 253.1000
K0-D0 83.9480 83.7690 265.9000 266.0000
K0-J3 56.3800 56.3760 349.1480 349.2920
B2-D0 31.9840 31.9580 37.3000 37.3000
B2-J3 126.8830 126.7330 46.7970 46.8610
D0-J3 95.4860 95.3620 49.9740 50.0380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60901.15403709
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248086
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 107.804
HIERARCH ESO ISS PBL12 END 107.59
HIERARCH ESO ISS PBLA12 START 253.0
HIERARCH ESO ISS PBLA12 END 253.1
HIERARCH ESO ISS PBL13 START 83.948
HIERARCH ESO ISS PBL13 END 83.769
HIERARCH ESO ISS PBLA13 START 265.9
HIERARCH ESO ISS PBLA13 END 266.0
HIERARCH ESO ISS PBL14 START 56.38
HIERARCH ESO ISS PBL14 END 56.376
HIERARCH ESO ISS PBLA14 START 349.148
HIERARCH ESO ISS PBLA14 END 349.292
HIERARCH ESO ISS PBL23 START 31.984
HIERARCH ESO ISS PBL23 END 31.958
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 37.3
HIERARCH ESO ISS PBL24 START 126.883
HIERARCH ESO ISS PBL24 END 126.733
HIERARCH ESO ISS PBLA24 START 46.797
HIERARCH ESO ISS PBLA24 END 46.861
HIERARCH ESO ISS PBL34 START 95.486
HIERARCH ESO ISS PBL34 END 95.362
HIERARCH ESO ISS PBLA34 START 49.974
HIERARCH ESO ISS PBLA34 END 50.038
HIERARCH ESO ISS AMBI TAU0 START 0.007659
HIERARCH ESO ISS AMBI TAU0 END 0.007882
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.98